LeBron James scored 35 points with 14 rebounds and led 98-90 overtime victory over the Boston Celtics .
Miami Heat is up 3-1 in the Eastern Conference semifinals against the Boston Celtics.
Dwyane Wade scored 28 and Chris Bosh scored 20 points and 12 rebounds for Miami, who made a crucial tip in shot in the final minute of overtime.
Paul Pierce had 27 points who missed the fade away jump shot right before the overtime that could have given the Celitcs a victory.
Ray Allen scored 17 points and Kevin Garnett had seven points and 10 rebounds for Boston.
Game 5 will be held in Miam on Wednesday 7pm ET.